/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
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 *
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 * -----------------------------------------------------------------------------
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 * commercial database integrations.
 *
 * For more information, please visit: https://www.jooq.org/legal/licensing
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package org.jooq.postgres.extensions.types;

import java.io.Serializable;

import org.jetbrains.annotations.Nullable;

/**
 * A <code>RANGE</code> type.
 */
public interface Range<T> extends Serializable {

    /**
     * In PostgreSQL, a [x,x) range is considered "empty".
     */
    boolean isEmpty();

    /**
     * The lower bound of the range.
     */
    @Nullable
    T lower();

    /**
     * Whether the {@link #lower()} bound of the range is included in the range.
     */
    boolean lowerIncluding();

    /**
     * The upper bound of the range.
     */
    @Nullable
    T upper();

    /**
     * Whether the {@link #upper()} bound of the range is included in the range.
     */
    boolean upperIncluding();

}
